.circle{
    width: 0.733rem;
    height: 0.733rem;
    border: 1px solid rgb(136, 133, 133);
    border-radius: 50%;
    position: relative;
    bottom: 1.333rem;
    left: 8.533rem;
    z-index: 4;

}
.circle .arrow{
    position: absolute;
    top: 0.2667rem;
    left: 0.2rem;
    border: 1px solid rgb(107, 106, 106);
    width: 0.3rem;
    height: 0.3rem;
    border-bottom: 1px solid transparent;
    border-left:1px solid transparent;
    transform: rotateZ(-45deg);
}